<div id="st-menu" style="height: 371px;">
  <div class="topToolBar">
    <div class="buttongroup">[{$add_btn}]</div>
  </div>
  <div id="st-menu-inner" style="height: 314px;">
    <div class="menu_tree"> [{$submenu}] </div>
  </div>
</div>
